Home / 42,150.11-58,179.26-27,820.40

Finding the Fourth Proportional to 42,150.11, 58,179.26 and 27,820.40

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Solution

The fourth proportional to 42,150.11, 58,179.26 and 27,820.40 is: 38,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,150.11 : 58,179.26 = 27,820.40 : x
  2. Step 2: Convert to fraction form
    42,150.11/58,179.26 = 27,820.40/x
  3. Step 3: Cross multiply
    42,150.11x = 58,179.26 × 27,820.40
  4. Step 4: Simplify right side
    42,150.11x = 1,618,570,063.56
  5. Step 5: Solve for x
    x = 1,618,570,063.56/42,150.11
  6. Step 6: Final answer
    x = 38,400.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.